重构: load_sft_dataset 改吃散装参数(磨平接口回看记录的毛刺)
深模块修正:本函数只用 5 个字段,却索要整个 SFTConfig——层 1 无痛,但诊断脚本 被迫伪造 output_dir(4 处 /tmp/diag、outputs/_unused),层 2 更因 DistillConfig 无 teacher_completions_path 而无法复用。改收 dataset_path/split/subset_size/seed/ teacher_completions_path 五个散装参数(接口终于比实现轻)。 - data.py: 签名改散装参数;移除 TYPE_CHECKING 的 SFTConfig 依赖 - train_sft / diag_loss_probe / diag_collator: 仍持 SFTConfig(喂 collator),改调用点 - diag_generate / generate_teacher_completions: 只为 load 而造 config,直接丢弃、 去掉伪造 output_dir,改传字面量 - 为 U5 层 2 训练脚本能直接 load_sft_dataset(distill_cfg 的字段) 铺路 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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@@ -7,19 +7,14 @@
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import torch
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from transformers import AutoModelForCausalLM, AutoTokenizer
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from ars_opd.configs import SFTConfig
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from ars_opd.data import load_sft_dataset
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MODEL_DIR = "/data/zym/outputs/sft_qwen3-0.6b_dapo1k" # 正式 1 epoch 的产物
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cfg = SFTConfig(
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dataset_path="data/dapo-math-17k-unique.parquet",
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output_dir="/tmp/diag",
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subset_size=1000,
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seed=42,
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# 不挂 teacher 解答:只取题目做推理输入
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# 不挂 teacher 解答(teacher_completions_path 缺省):只取题目做推理输入
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ds = load_sft_dataset(
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"data/dapo-math-17k-unique.parquet", subset_size=1000, seed=42
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)
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ds = load_sft_dataset(cfg)
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tok = AutoTokenizer.from_pretrained(MODEL_DIR)
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model = AutoModelForCausalLM.from_pretrained(MODEL_DIR, dtype=torch.float32)
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